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    SubjectRe: Using %cr2 to reference "current"
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    > We pretty much know the _theory_ is not correct, just by virtue of
    > depending on non-architected behaviour. The only thing -ac can do is
    > test whether it works in practice. Which is a totally different thing.

    Yep

    > Especially on x86 chips.

    Well so far I've found one laptop that eats %cr2 on APM calls, and we have
    some mystery cases. Peter's suggestion of using %fs or %gs looks more
    promising at the moment

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